Frost dates 2026–2027

Frost dates for Chardon, Ohio

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Chardon, 1.1 mi away (close match).

Last spring frostMay 5
First fall frostOct 18
164 frost-free days
Last spring frostMay 51 year in 10 after May 21
First fall frostOct 181 year in 10 by Oct 2
Growing season164 daysbetween median 32°F dates
Hardiness zoneZone 6a−10 to −5°F average extreme low

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Will it freeze in Chardon in the next 7 nights?

No overnight lows at or below 32°F are forecast in Chardon during the next 7 nights in the available NWS frost forecast.

Tonight: forecast low 43°F. Above 36°F.

NWS forecast period: Thu, Nov 5, 6:00 PM EST to Fri, Nov 6, 6:00 AM EST.

4 of the next 7 nights are forecast at 36°F or colder, cold enough for frost on exposed plants.

Overnight lows from the National Weather Service forecast for this location. This covers the available forecast window, not the first freeze of the whole season. Frost can form above 32°F on clear, calm nights.

Frost and freeze probabilities

Freeze dates shift from year to year. Spring percentages describe the chance of a freeze after the stated date; fall percentages describe the chance of a freeze by that date. The 10% spring date is the cautious one: a later freeze happens about 1 year in 10.

These dates describe historical probabilities, not this year’s forecast or the earliest and latest possible freezes. Different weather stations or probability thresholds can produce different published dates for the same city.

Average first hard freeze in Chardon

The median first fall hard-freeze date (28°F) is November 1, from NOAA’s 1991–2020 Climate Normals at Chardon. This is the 50% probability date, not a forecast for this year.

TemperatureLast spring date
90% · 50% · 10% chance of a later freeze
First fall date
10% · 50% · 90% chance of an earlier freeze
Season
36°F frost possible Apr 30 · May 18 · Jun 1 Sep 22 · Oct 5 · Oct 18 141 days
32°F freeze Apr 22 · May 5 · May 21 Oct 2 · Oct 18 · Nov 1 164 days
28°F hard freeze Apr 9 · Apr 23 · May 9 Oct 15 · Nov 1 · Nov 14 190 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00331458. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Chardon

Average low temperature by month

Months with lows near or below freezing carry frost risk

Where these frost dates come from

The frost dates for Chardon, OH come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Chardon (station USC00331458, elevation 1,130 ft), 1.1 mi from Chardon. Local conditions (valleys, hilltops, distance to water, city heat) can shift frost dates by days or weeks. The hardiness zone is from the 2023 USDA Plant Hardiness Zone Map (USDA ARS and Oregon State University PRISM). See our methodology.

Frost dates near Chardon

CityDistanceLast spring frostFirst fall frost
Kirtland, OH 6.8 mi Apr 26 Oct 31
Mentor, OH 9.9 mi Apr 15 Nov 9
Painesville, OH 9.9 mi Apr 15 Nov 9
Willoughby, OH 12 mi Apr 26 Oct 31
Willoughby Hills, OH 12 mi Apr 26 Oct 31
Mentor-on-the-Lake, OH 12 mi Apr 15 Nov 9
Eastlake, OH 12 mi Apr 26 Oct 31
Mayfield Heights, OH 14 mi Apr 26 Oct 31
Wickliffe, OH 14 mi Apr 26 Oct 31
Highland Heights, OH 14 mi Apr 26 Oct 31

Frequently asked questions

When is the last frost in Chardon?

On average, the last spring frost (32°F) in Chardon is around May 5. In about 1 year in 10 it comes after May 21, and in 9 years in 10 it comes after April 22.

When is the first frost in Chardon?

The first fall frost (32°F) usually arrives around October 18. There’s a 10% chance of a freeze by October 2 and a 90% chance by November 1.

Can it frost in Chardon after the last frost date?

Yes. Frost can form on clear, calm nights even when the air stays above 32°F. Temperatures of 36°F or lower, cold enough for frost on exposed plants, have a 50% chance of occurring after May 18.

What growing zone is Chardon?

Chardon is in USDA Plant Hardiness Zone 6a (average annual extreme minimum temperature −10 to −5°F), based on the 2023 USDA map for ZIP code 44024. See growing zones in Ohio.

More: all Ohio frost dates · Ohio growing zones · frost vs. freeze